What are pro grade kettlebells?

Pro Grade Kettlebells are the style of bells used in Kettlebell Sport (or GS, short for  Girevoy Sport). The ergonomic design of the bell have been optimized to allow the athlete (a Girevik) to perform the maximum amount of repetitions in a competition. 

What are the advantages of Pro Grade kettlebells over cast iron kettlebells?

• All bells are the same size regardless of weight, so you don't have to continuously adjust your lifting technique as you move up in weight.
• Built for a lifetime of training with it's ultra durable steel mold, which will not chip or break
• Colour coded so you always know what bell is which
• Optimized dimension for perfect lifting
• Up to standards for competitive use